Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/20—Pills, tablets, discs, rods
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/20—Pills, tablets, discs, rods
  • A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
  • A61K9/2077—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/33—Heterocyclic compounds
  • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
  • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
  • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
  • A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
  • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
  • A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
  • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/20—Pills, tablets, discs, rods
  • A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
  • A61K9/2086—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
  • A61K9/209—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat containing drug in at least two layers or in the core and in at least one outer layer
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
  • A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P35/00—Antineoplastic agents
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
  • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
  • A61K9/5084—Mixtures of one or more drugs in different galenical forms, at least one of which being granules, microcapsules or (coated) microparticles according to A61K9/16 or A61K9/50, e.g. for obtaining a specific release pattern or for combining different drugs

Definitions

• the present invention relates to a solid preparation. More specifically, the present invention relates to a controlled-release solid preparation that is excellent in stability of an active ingredient, exhibits a pharmacological effect stably and rapidly after administration, and maintains the pharmacological effect for a long period of time.
• Benzimidazole compounds such as lansoprazole, omebrazole, rabebrazole, pantoprazole, and ilabrazol have proton pump inhibitors (hereinafter sometimes referred to as PPI) that have gastric acid secretion inhibitory action and gastric mucosal protective action. Therefore, it is widely used as an anti-ulcer treatment.
• PPI proton pump inhibitors
• the stability of these compounds is unstable to bad humidity, temperature, light, acid, etc.
• these compounds are unstable to acids and become extremely unstable in aqueous solutions or suspensions as the pH decreases. Therefore, when these compounds are orally administered, they may be decomposed by gastric acid or the like and cannot fully exert their activity.
• the stability of these compounds in preparations such as tablets, powders, fine granules, capsules, etc. becomes unstable due to strong interaction with other ingredients in the formulation rather than the compound alone. Color change or degradation may be observed at times and upon storage.
• Patent Document 1 a tablet, granule or fine granule having a core particle containing PPI or a salt thereof or an optically active substance thereof as an active ingredient and a specific pH-dependent soluble controlled release coating (enteric coating) is disclosed ( Patent Document 1).
• enteric coating a specific pH-dependent soluble controlled release coating
• Such a preparation can suppress the decomposition of the active ingredient due to gastric acid or the like by the enteric coating, but it takes time until the enteric coating dissolves and the drug is absorbed in the gastrointestinal tract. It is difficult to expect a rapid onset of pharmacological effects.
• a gastric disintegrating solid that does not have an enteric coating and contains an acid-labile active ingredient and at least one component selected from metal oxides and metal hydroxides.
• Formulation disclosed Patent Document 2.
• an enteric coating comprising an active ingredient which is unstable to acid and at least one component selected from alkaline earth metal carbonates, metal oxides and metal hydroxides, and having no enteric coating.
• Such a preparation can suppress degradation of the active ingredient due to gastric acid when administered, and is suitable for rapid and powerful pharmacological effects after administration, but maintains the pharmacological effects for a long period of time. It is difficult to do.
• Patent Documents 4 to 6, Non-Patent Document 1 a basic inorganic salt is used to stabilize an active ingredient in a preparation.
• Patent Document 1 JP 2004-292427 A
• Patent Document 3 Japanese Unexamined Patent Publication No. 2005-154431
• Patent Document 4 Japanese Patent Laid-Open No. 62-277322
• Patent Document 5 JP 2000-281564 A
• Patent Document 6 Japanese Unexamined Patent Publication No. 2000--103731
• Patent Document 7 JP 2004-292442 A
• Patent Document 8 JP 2004-300149 A
• Patent Document 9 US Patent No. 6610323
• Patent Document 10 Pamphlet of International Publication No. 01Z51050
• Patent Document 11 International Publication No. 03Z61584 Pamphlet
• Non-Patent Document 1 "D RUG DEVELOPMENT AND INDUSTRIAL PHARMACY", 18 (13), 1437-1447 (1992)
• the present inventors have found that (1) an antacid, (2) an acid-labile compound and a rapid-release part containing a basic substance, and (3) an acid-labile compound In a solid preparation comprising a sustained-release part containing a pH-independent substrate and a stable release of the active ingredient, the pharmacological effect of the active ingredient is stably and rapidly developed after administration, and the The present inventors have found that the pharmacological effect lasts for a long time and have completed the present invention.
• a controlled release solid preparation comprising a combined sustained release part
• Hydrophilic polymer is hydroxypropyl cellulose, hydroxypropyl methyl cellulose, methyl cellulose, polyethylene oxide, sodium carboxymethyl cellulose, ethyl acrylate 'methyl methacrylate' methacrylate methacrylate trimethyl ammonium copolymer
• the content of the hydrophilic polymer in the sustained release part is from about 5% to about 95% by weight
• R 1 is a hydrogen atom, an optionally substituted aralkyl group, an acyl group or an acyloxy group
• R 2 , R 3 and R 4 are the same or different and each has a hydrogen atom, an alkyl group which may have a substituent, a substituent, or an alkoxy group or a substituent.
• an amino group and Y represents a nitrogen atom or CH], or an optically active product thereof, or a salt thereof;
• Metal oxide is at least one selected from the group force of magnesium oxide, magnesium silicate, dry aluminum hydroxide gel and magnesium aluminate metasilicate The formulation according to [13] above,
• Metal hydroxide is magnesium hydroxide, hydroxyaluminum hydroxide, synthetic hydrotalcite, coprecipitate of hydroxyaluminum and hydroxyhydrate magnesium, hydroxyaluminum, magnesium carbonate and calcium carbonate
• the alkaline earth metal carbonate power Carbonate The preparation according to [13] above, which is calcium or magnesium carbonate;
• the weight ratio of the content of acid labile compounds in the immediate release part and the sustained release part is 10: 1 to
• the controlled release solid preparation of the present invention comprises (1) an antacid, (2) an immediate release part containing an acid labile compound and a basic substance, and (3) an acid labile compound and pH. It combines a sustained release part containing an independent base material.
• the terms “the controlled release solid preparation of the present invention” and “the solid preparation of the present invention” are used interchangeably unless otherwise specified.
• the solid preparation of the present invention contains an antacid.
• Antacids neutralize the gastric pH prior to the release of an acid-labile compound, which is the active ingredient, in the stomach to increase the residual rate of the compound, making the compound stable and rapid. Contributes to pharmacological effects.
• the antacid used in the present invention is preferably at least one component selected from the group power of metal oxide, metal hydroxide and alkaline earth metal carbonate.
• the above metal oxides include pharmaceutical magnesium oxide, magnesium silicate (2Mg 0-3SiO ⁇ ⁇ 0), dry aluminum hydroxide gel (Al ⁇ ⁇ ⁇ ⁇ ⁇ ) and metasilicate
• magnesium oxide is more preferable.
• the magnesium oxide those that can be used for medical purposes, excellent in acid reactivity, and having neutralizing power are preferable.
• those obtained by a normal production method and commercially available products can be used, but lightly baked magnesia fired at a low temperature is preferred.
• What is calcined at a temperature of about 500 to about 1000 ° C is generally preferred, especially from the viewpoint of neutralizing power, and calcined at about 600 to about 900 ° C, most preferably about 800 ° C Things are good.
• BET specific surface area is generally 10 to 50 m 2 Zg, and most preferably those which are preferably 20 ⁇ 50 m 2 Zg,.
• the BET specific surface area is a specific surface area measured by the nitrogen gas adsorption method and depends on the amount of nitrogen gas adsorbed, including the surface of a certain amount of magnesium oxide and pores within the range where nitrogen gas enters. The specific surface area is measured.
• acid magnesium examples include commercially available heavy acid magnesium (Kyowa Kagaku Kogyo Co., Ltd.), heavy acid magnesium (Tonda Pharmaceutical Co., Ltd.), and heavy N acid magnesium. ⁇ Magnesium (manufactured by Kyowa Chemical Industry Co., Ltd.) and light magnesium oxide (manufactured by Kyowa Chemical Industry Co., Ltd.) are listed. Especially, heavy N-acid magnesium (Kyowa Chemical Industry Co., Ltd.) is preferred!
• Metal hydroxides include, for example, pharmaceutical magnesium hydroxide, hydroxyaluminum, synthetic hydrotalcite (MgAl (OH) CO4 ⁇ 4O), aluminum hydroxide and hydroxide
• coprecipitates with magnesium hydroxide Use at least one selected from the group consisting of coprecipitates with magnesium hydroxide, coprecipitates of aluminum hydroxide with magnesium carbonate and calcium carbonate, and coprecipitates with aluminum hydroxide and sodium bicarbonate Is preferred.
• hydroxy-magnesium is particularly preferable from the viewpoint of disintegration of the preparation and dissolution of acid-labile compounds.
• alkaline earth metal carbonate examples include medicinal calcium carbonate and magnesium carbonate.
• the metal oxide, metal hydroxide and alkaline earth metal carbonate may be used alone or in combination of two or more.
• the surface of the pharmaceutical device is polished during manufacturing to blacken the surface of the tablet as a whole or partly, black dots, lines, surfaces, etc. There are things that adhere to the heel of the time. Since these physical properties significantly impair manufacturability, when selecting a metal oxide or metal hydroxide having abrasiveness and adhesion properties, metal oxides that do not have such properties are selected.
• the antacid agent has a pH of 8.0 or higher when it is made into a 1% aqueous solution or a 1% aqueous suspension. It shows a pH in the range of 8.0 to 12.0. It is more preferable.
• the antacid is preferably an acid labile compound together with the disintegration of the solid preparation in the stomach in order to prevent the acid labile compound from being exposed to gastric acid and becoming unstable. Prior to elution, it is formulated in an amount that quickly dissolves to neutralize gastric acid. The amount depends on the gastric acid neutralizing ability of each antacid. In the solid preparation of the present invention, it is preferably 5 mEq to 50 mEq, more preferably 10 mEq to 50 mEq.
• the immediate release part of the solid preparation of the present invention comprises an acid labile compound and a basic substance.
• the release characteristic of the acid labile compound as the active ingredient is immediate release.
• rapid release refers to a test conducted when the Japanese Pharmacopoeia Dissolution Test Method 2 (Paddle Method) is performed using a suitable test solution of 500 mL or 900 mL under the condition of a paddle rotation speed of lOOrpm. This means that the elution rate of the active ingredient is 85% or more 30 minutes after the start of the experiment.
• a test solution of an acid labile compound in the rapid release part for example, the concentration when 100% of the active ingredient is eluted in the test solution is 1Z3 or less of the saturation solubility of the acid labile compound.
• Such a test solution is used, and preferably, the second solution or water of the Japanese Pharmacopoeia dissolution test method is used.
• the above acid labile compounds are not particularly limited, and are not stable when exposed to gastric acid. These compounds may be used.
• the labile acid-labile compound include anti-inflammatory enzyme agents such as PPI, erythromycin antibacterial compound, serrapeptase, semi-alkaline proteinase, etc., and PPI is preferred.
• PPI is preferably, for example, a compound represented by the following formula (I) [hereinafter sometimes simply referred to as compound (I)].
• the compound (I) includes a compound represented by the formula (I):
• ring A is an optionally substituted benzene ring
• R 1 is a hydrogen atom, an optionally substituted aralkyl group, an acyl group or an acyloxy group
• R 2 , R 3 and R 4 are the same or different and each has a hydrogen atom, an alkyl group which may have a substituent, a substituent, or an alkoxy group or a substituent.
• an amino group and Y represents a nitrogen atom or CH], an optically active compound thereof, or a salt thereof.
• examples of the “substituent” of the “benzene ring” which may have a substituent represented by ring A include, for example, a halogen atom, a cyan group, a nitro group, Alkyl group which may have a substituent, hydroxy group, alkoxy group which may have a substituent, aryl group, aryloxy group, carboxy group, acyl group, acyloxy group, 5- to 10-membered heterocyclic group 1 to 3 of these substituents may be substituted on the benzene ring.
• each substituent may be the same or different.
• a halogen atom, an optionally substituted alkyl group, a substituted group! /, Or an alkoxy group are preferred! /.
• nitrogen atom and the rogen atom examples include a fluorine atom, a chlorine atom and a bromine atom. Above all, fluorine Atoms are preferred.
• alkyl group in the “alkyl group optionally having substituent (s)” includes, for example, a c_alkyl group (eg, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert butyl, pentyl) Hexyl, heptyl group, etc.).
• the “substituent” in the “optionally substituted alkyl group” includes, for example, a halogen atom, a hydroxy group, a C alkoxy group (for example, methoxy, ethoxy, propoxy, butoxy
• alkoxy carbonyl group for example, methoxycarbol, ethoxycarbo-
• each substituent may be the same or different.
• alkoxy group of the “optionally substituted alkoxy group” includes, for example, a C_alkoxy group (for example, methoxy, ethoxy, propoxy, isopropoxy, butoxy, iso
• aryl group for example, a C aryl group (for example, phenyl, 1-naphthyl,
• aryloxy group for example, a C aryloxy group (for example, phenol)
• acyl group examples include formyl, alkyl carbo yl, alkoxy carbo yl, strong rubamoyl, alkyl rubamoyl, alkyl sulfinyl, anolequinoles norephonyl and the like.
• alkyl carbo group examples include, for example, a C alkyl carbo group (for example,
• alkoxycarbol group examples include, for example, c alkoxycarbol group (for example,
• methoxycarbol methoxycarbol, ethoxycarbol, propoxycarbol, butoxycarbol and the like.
• alkyl-powered rubermoyl group examples include N—C alkyl-powered rubermoyl group. (Eg, methylcarbamoyl, ethylcarbamoyl groups, etc.), N, N
• kill rubamoyl groups for example, N, N dimethylcarbamoyl, N, N jetylcarbamoyl, etc.
• rubamoyl groups for example, N, N dimethylcarbamoyl, N, N jetylcarbamoyl, etc.
• alkylsulfiel group examples include a C_alkylsulfinyl group (for example, methinolesnorefininore, ethinoresnorefininore, propinoresnorefininore, isopropinoresnorefier, etc.) and the like. It is done.
• alkylsulfol group includes, for example, a C_alkylsulfol group (for example, methinolesnorehoninore, ethinoresnorehoninore, propinoresnoreno-nore, isopropinoresnorehoninore Etc.).
• C_alkylsulfol group for example, methinolesnorehoninore, ethinoresnorehoninore, propinoresnoreno-nore, isopropinoresnorehoninore Etc.
• acyloxy group examples include alkylcarboxoxy, alkoxycarbonyloxy, rubamoyloxy, alkyl rubamoyloxy, alkylsulfinyloxy, alkylsulfoloxy and the like.
• alkylcarboxoxy group examples include, for example, C alkylcarboxyloxy.
• Si groups for example, acetyloxy, propio-oxy, etc.
• Si groups for example, acetyloxy, propio-oxy, etc.
• alkoxycarboxoxy group examples include, for example, c alkoxy carboxy group.
• an oxy group for example, methoxycarboxoxy, ethoxycarboxoxy, propoxycarboxoxy, butoxycarboxoxy, etc.
• alkyl strength ruberamoyloxy group examples include, for example, C alkyl strength ruberamoyl.
• An oxy group for example, methylcarbamoyloxy, ethylcarbamoyloxy, etc.
• oxy group for example, methylcarbamoyloxy, ethylcarbamoyloxy, etc.
• alkyl sulferoxy group examples include C_alkyl sulferoxy groups (for example, methyl sulfi-loxy, ethyl sulfi-loxy, propyl sulfi-loxy, isopropyl sulferoxy, etc.) and the like.
• alkylsulfoloxy group examples include C_alkylsulfoloxy groups (for example, methylsulfoloxy, ethylsulfoloxy, propylsulfoloxy, isopropylsulfoloxy, etc.).
• the “5- to 10-membered heterocyclic group” does not include, for example, one or more (for example, 1 to 3) heteroatoms selected from a nitrogen atom, a sulfur atom, and an oxygen atomic energy other than a carbon atom.
• 10-membered (preferably 5- or 6-membered) heterocyclic group and the like include 2 or 3 chael group, 2-, 3 or 4 pyridyl group, 2 or 3 furyl group, 1- 2—or 3 pyrrolyl group, 2—, 3—, 4—, 5 or 8 quinolyl group, 1—, 3—, 4 or 5 isoquinolyl group, 1 1, 2 or 3 indolyl group.
• 5- or 6-membered heterocyclic groups such as 1-, 2 or 3 pyrrolyl groups are preferred.
• ring A is a halogen atom, halogenated! /, May! /, A C alkyl group,
• the "aralkyl group” of the “aralkyl group having a substituent which is represented by R 1 " includes, for example, a C aralkyl group (for example, a C aryl C such as benzyl, phenethyl, etc.)
• substituted examples include the same substituent as the “substituent” of the above-mentioned “having a substituent, but the alkyl group”, and the number of substituents is about 1 to 4. When the number of substituents is 2 or more, each substituent may be the same or different.
• Examples of the “acyl group” represented by R 1 include the “acyl group” described as the substituent for the ring A.
• acyloxy group represented by R 1 examples include “acinoleoxy group” described as the substituent for ring A and the like.
• Preferred R 1 is a hydrogen atom.
• the "having a substituent may be an alkyl group" represented by R 2 , R 3 or R 4 is, for example, the "having a substituent” described as the substituent of ring A above. Or an alkyl group ”.
• Examples of the “having a substituent, which may be an alkoxy group” represented by R 2 , R 3 or R 4 include, for example, “having a substituent, “Also, an alkoxy group” and the like.
• amino group optionally having substituent (s) represented by R 2 , R 3 or R 4 include an amino group, a mono-C alkylamino group (for example, methylaminoethylamino), mono-C
• arylamino group eg 1-naphthylamino, 2-naphthylamino
• Di-C alkylamino group for example, dimethylamidodecylamino
• Preferred R 2 is C alkyl group, C alkoxy group, C alkoxy-C alcohol.
• R 2 is a C alkyl group or
• Preferred R 3 is a hydrogen atom, C alkoxy-C alkoxy group or halogenated.
• R 3 is halogenated
• R 4 is a hydrogen atom or a C alkyl group. Even more preferred, R 4 is hydrogen
• An atom or a C alkyl group (especially a hydrogen atom).
• Preferred Y is a nitrogen atom.
• ring A is a halogen atom, an optionally halogenated C alkyl group, a halogenated, C alkoxy group and a 5- or 6-membered compound.
• R 1 is a hydrogen atom
• R 2 is a C alkyl group, a C alkoxy group, a C alkoxy-C alkoxy group
• R 3 is a hydrogen atom, C alkoxy-C alkyl
• R 4 is hydrogen atom
• R 1 is a hydrogen atom
• R 2 is a C alkyl group or a C alkoxy group
• R 3 is a halogen atom
• R 4 is a hydrogen atom or C alkyl group
• R 5 is a hydrogen atom, halogenated
• R 1 is a hydrogen atom
• R 2 is a C alkyl group
• R 3 is halogenated.
• R 4 is a hydrogen atom
• R 5 is a hydrogen atom or halogenated.
• Particularly preferred are compounds that are V, but c alkoxy groups.
• the compound (I) may be a racemate or an optically active form such as an R-form or an S-form.
• Compound (I) is (R) -2 — [[[3-Methyl-4- (2,2,2 trifluoroethoxy) -2-pyridyl] methyl] sulfiel] — 1H-benzimidazole (lansobrazole)
• the optically active substance may be an optically active substance such as an R-isomer).
• a pharmaceutically acceptable salt is preferred.
• examples include salts and salts with basic amino acids.
• the salt with an inorganic base include alkali metal salts such as sodium salt and potassium salt; alkaline earth metal salts such as calcium salt and magnesium salt; ammonium salt and the like.
• the salt with an organic base include, for example, alkylamine (trimethylamine, trimethylamine). Ethylamine, etc., heterocyclic amines (pyridine, picoline, etc.), alkanolamines (ethanolamine, diethanolamine, triethanolamine, etc.), dicyclohexylamine, N, N, monodibenzylethylenediamine, etc. Of the salt.
• salt with basic amino acid examples include salts with arginine, lysine, orthine and the like.
• alkali metal salts or alkaline earth metal salts are preferable. Especially sodium salt is preferred.
• Compound (I) can be produced by a method known per se.
• the optically active form of compound (I) can be obtained by an optical resolution method (fractional recrystallization method, chiral column method, diastereomer method, method using microorganisms or enzymes, etc.), an asymmetric acid salt method and the like.
• an optical resolution method fractional recrystallization method, chiral column method, diastereomer method, method using microorganisms or enzymes, etc.
• asymmetric acid salt method and the like.
• lansoprazole R it can be produced according to the methods described in WO 00/78745 pamphlet, WO 01Z83473 pamphlet, WO 01Z87874 pamphlet and WO 02Z44167 pamphlet. .
• the PPI used in the present invention includes benzimidazole compounds having an anti-ulcer action such as lansoprazole, omebrazole, rabebrazole, pantoprazole, and ilabrasol, optically active substances thereof, and pharmaceutically acceptable salt strength thereof. More preferred are lansoprazole, omebrazole, rabebrazole, and pantoprazole.
• a basic substance is added to the immediate release part.
• Examples of the basic substance include carbonates of alkaline earth metals (eg, calcium carbonate, magnesium carbonate for pharmaceutical use), trometamol, disodium succinate, sodium hydrogen phosphate, trisodium phosphate, phosphoric acid Dipotassium, L-arginine, etc.
• An alkaline earth metal carbonate is preferable, and calcium carbonate is more preferable.
• the addition amount of the basic substance is not particularly limited as long as it is sufficient to stabilize the acid-labile substance. Usually, 1.0% by weight to 60% with respect to the total amount of the rapid release part. % By weight, preferably 3.0% to 50% by weight.
• the basic substance should be distinguished from the antacid described in (1) above.
• the substance used as the basic substance may be used as the antacid of (1) above (for example, “alkaline earth metal carbonate” above), but such a substance is controlled.
• an acid agent When used as an acid agent, it acts to neutralize the pH in the stomach, while when added to the immediate release part as a basic substance, it stabilizes acid-labile compounds in the formulation. It works to make it happen.
• the form of the quick release part may be something! /, But from the viewpoint of quick release, it is preferably a granule, a fine granule, etc./.
• the above-mentioned method for producing the immediate release part may be a method known per se, for example, acid-labile compounds and basic substances, and, if necessary, excipients, binders, disintegrants, lubricants, masking agents. It can be produced by granulating an appropriate amount of additives such as a flavoring agent, a coloring agent and a fragrance.
• the granulation is preferably performed by a wet granulation method.
• Wet granulation is a dispersion or solution in which a mixture of active ingredients and other ingredients such as excipients is dispersed or dissolved in water, binder or solvent, and then dried to form granules, This is a method for obtaining fine granules.
• the wet granulation method can be carried out in accordance with a known method in the pharmaceutical field, and as a granulation mechanism, for example, a known method such as extrusion, flow, rolling, centrifugation, stirring, spraying, etc. can be used. .
• the sustained release part in the solid preparation of the present invention comprises an acid labile compound and a pH-independent substrate.
• the release characteristics of the acid labile compound as the active ingredient are sustained release.
• Sustained release refers to the Japanese Pharmacopoeia Dissolution Test Method 2 (Paddle Method) using 500 mL of an appropriate test solution. Means that the elution rate of the active ingredient is less than 85% 30 minutes after the start of the test when 900 mL is used and the paddle rotation speed is lOOrpm.
• the test solution the same one as mentioned in the explanation of the above (2) quick release part can be used.
• Examples of the acid labile compound include those similar to the acid labile compound described in (2-1) above, and PPI is preferred.
• the acid unstable compound contained in the sustained release part may be the same as or different from the acid labile compound contained in the rapid release part.
• the pH-independent substrate used in the sustained-release part of the solid preparation of the present invention is an activity in which the release characteristics of the active ingredient do not change even if the pH of the external environment changes due to movement in the digestive tract, for example.
• a substrate capable of sustained release of ingredients include one or a mixture of two or more selected from hydrophilic polymers, hydrophobic polymers and amphiphilic polymers, and particularly hydrophilic polymers. More preferred.
• the hydrophilic polymer becomes a hydrated gel by absorbing water and can control the release of the active ingredient in the sustained release part or dissolves itself in water. It means a polymer that can control the release of the active ingredient in the release part.
• the hydrophobic polymer means a polymer that is insoluble in water but can be dissolved in an organic solvent miscible with water and can control the release of the active ingredient in the sustained release part.
• the amphiphilic polymer means a polymer having both a hydrophilic group and a hydrophobic group and capable of controlling the release of active components in the sustained release part.
• the release rate of the acid-labile compound from the sustained-release part can be arbitrarily controlled by adjusting the viscosity and blending amount of the hydrophilic polymer, hydrophobic polymer and amphiphilic polymer. Can be adjusted to.
• the viscosity of the hydrophilic polymer is, for example, not less than ImPa's, more preferably not less than 4 mPa's, for example, as the viscosity of a 2% by weight aqueous solution (measurement temperature: 20 ° C.).
• the content of the hydrophilic polymer in the sustained release part is usually about 5% to about 95% by weight, preferably about 10% to about 50% by weight, more preferably about 20% to about 40%. weight% It is.
• the hydrophilic polymer is hydroxypropylcellulose, hydroxypropylmethylcellulose, methenoresenorelose, polyethylene oxide, canoleoxymethinorescenose sodium, ethyl acrylate 'methyl methacrylate', methacrylate Trimethylammonium methacrylate copolymer, methyl methacrylate / ethyl acrylate copolymer and butyl acetate / polyvinylpyrrolidone polymer are preferably one or a mixture of two or more selected from the group strength.
• hydroxypropyl cellulose examples include, for example, HPC-SSL (trade name, manufactured by Nippon Soda Co., Ltd.) (viscosity of 2 wt% aqueous solution at 20 ° C: 2.0 to 2.9 mPa's), HPC— SL (trade name, manufactured by Nippon Soda Co., Ltd.) (Viscosity of 2% by weight aqueous solution at 20 ° C: 3.0 to 5.9 mPa's), HPC— L (trade name, Nippon Soda Co., Ltd.) (Viscosity of 2 wt% aqueous solution at 20 ° C: 6.0-10.
• HPC-SSL trade name, manufactured by Nippon Soda Co., Ltd.
• HPC— SL trade name, manufactured by Nippon Soda Co., Ltd.
• HPC— L trade name, Nippon Soda Co., Ltd.
• HPC-M (trade name, manufactured by Nippon Soda Co., Ltd.) (Viscosity of 2 wt% aqueous solution at 20 ° C) : 150 to 400 mPa's)
• HPC-H (trade name, manufactured by Nippon Soda Co., Ltd.) (viscosity of 2 wt% aqueous solution at 20 ° C: 1000 to 4000 mPa ⁇ s).
• hydroxypropyl methylcellulose examples include TC-5S (trade name, manufactured by Shin-Etsu Chemical Co., Ltd.) (viscosity of 2 wt% aqueous solution at 20 ° C: about 15 mPa's), TC-5R (product Name, manufactured by Shin-Etsu Chemical Co., Ltd.) (viscosity of 2% aqueous solution at 20 ° C: approx.
• methyl cellulose examples include Metroze SM15 (trade name, manufactured by Shin-Etsu Chemical Co., Ltd.) (viscosity: about 15 mPa's, 2% by weight aqueous solution, 20 ° C), Metroze SM25 (trade name, Shin-Etsu). (Chemical Industry Co., Ltd.) (Viscosity of 2% aqueous solution at 20 ° C: approx. 25 mPa's), Metrows SM100 (trade name, manufactured by Shin-Etsu Chemical Co., Ltd.) (2% by weight at 20 ° C) Viscosity of aqueous solution: approx.
• Metrolz SM400 (trade name, manufactured by Shin-Etsu Chemical Co., Ltd.) (Viscosity of 2% by weight aqueous solution at 20 ° C: approx. 400mPa's)
• Metrolz SM1500 (trade name, (Manufactured by Shin-Etsu Chemical Co., Ltd.) (viscosity of 2% aqueous solution at 20 ° C: approx.
• polyethylene oxide examples include POLYOX (Polyox) WSR N-12K (trade name, manufactured by Union Carbide) (viscosity of 2 wt% aqueous solution at 20 ° C: 400 to 800 mPa's), POLYOX WSR N— 60K (trade name, manufactured by Union Carbidenet) (viscosity of 2% by weight aqueous solution at 20 ° ⁇ : 2000-4000111? &'5),?
• Examples of the sodium carboxymethylcellulose include Sunrose F-150M. C (trade name, manufactured by Nippon Paper Industries Co., Ltd.) (Viscosity of 1% by weight aqueous solution at 25 ° C: 1200-1800 mPa's), Sunrose F-300MC (trade name, manufactured by Nippon Paper Industries Co., Ltd.) (1 at 25 ° C % By weight water solution viscosity: 2500-3000mPa's), Sunrose F-1000MC (trade name, manufactured by Nippon Paper Industries Co., Ltd.) (viscosity of 1% by weight aqueous solution in 25: 8000-12000111? &'5) Can be mentioned.
• Examples of the above-mentioned ethyl acrylate 'methyl methacrylate' methacrylated trimethylammonium-muethyl copolymer include Eudragit (Eudragit) RLPO (trade name, manufactured by Rohm), Eudragit (Eudragit) RL100 (Product) Name, Rohm) Eudragit RL30D (trade name, Rohm) Eudragit RSPO (trade name, Rohm), Eudragit RS100 (trade name, Rohm) , Eudragit RS30D (trade name, manufactured by Rohm).
• Examples of the methyl methacrylate / ethyl acrylate copolymer include Eudragit NE30D (trade name, manufactured by Rohm).
• Examples of the butyl acetate polybulurpyrrolidone polymer matrix include Kollidon VA64 (trade name, manufactured by BASF Takeda Vitamin Co., Ltd.).
• hydrophilic polymers may be used singly or as a mixture of two or more at an appropriate ratio.
• the hydrophilic polymer is more preferably hydroxypropylmethylcellulose or polyethylene oxide.
• the hydrophobic polymer is preferably one or a mixture of two or more selected from the group strength consisting of ethyl cellulose, cellulose acetate and polybutyl acetate.
• ethyl cellulose cellulose acetate and polybutyl acetate.
• Etocel 7P trade name, Nisshin Kasei ( Co., Ltd.) (5 weight at 25 ° C. / 0 (80% toluene Z20% alcohol) solution viscosity: approx.
• Etocel 10P (trade name, manufactured by Nisshin Kasei Co., Ltd.) (25 ° C Viscosity of 5% by weight (80% toluene Z20% alcohol) solution at approx. 9 l lcP)
• Etocel 20P (trade name, manufactured by Nisshin Kasei Co., Ltd.) (5% by weight (80% (Ruen Z20% alcohol) solution viscosity: approx.
• Etocel 45P (trade name, manufactured by Nisshin Kosei Co., Ltd.) (5% by weight (80% toluene Z20% alcohol) solution viscosity at 25 ° C) : Etcel 100P (trade name, manufactured by Nisshin Kasei Co., Ltd.) (viscosity of 5 wt% (80% toluene Z20% alcohol) solution at 25 ° C: about 90-1 lOcP) It is done.
• cellulose acetate examples include cellulose acetate CA-398-3 (trade name, manufactured by Eastman).
• polyvinyl acetate examples include Kollicoat SR30D (trade name, manufactured by BASF).
• hydrophobic polymers may be used alone or in combination of two or more at an appropriate ratio.
• hydrophobic polymer ethyl cellulose or polyvinyl acetate is more preferable.
• the amphiphilic polymer is preferably one or a mixture of two or more selected from a group force that also has a polyoxyethylene polyoxypropylene glycol copolymer strength.
• polyoxyethylene polyoxypropylene glycol copolymer examples include pull mouth nick F-68 (trade name, manufactured by BASF) and pull mouth nick F-127 (trade name, manufactured by BASF). These amphiphilic polymers can be used alone or in admixture of two or more at an appropriate ratio.
• pull mouth nick F-127 is more preferable.
• the method for forming the sustained release part is not particularly limited, and can be formed by a method usually used in the field of pharmaceutical preparations.
• an acid labile compound, a pH-independent substrate, and a basic substance and various additives, which will be described later, if necessary are mixed by a usual method in the pharmaceutical field, and this is mixed with a usual one in the pharmaceutical field.
• the sustained release part having the form of a tablet, granule or fine granule can be obtained by tableting, granulation or fine granulation by a method, for example, the method described in the Japanese Pharmacopoeia 14th Amendment General Formulation Obtainable.
• granulation by a wet granulation method is preferred in order to obtain a sustained release part of granules or fine granules.
• the wet granulation method is a mixture containing an active ingredient and other ingredients (excipients, etc.), water,
• a dispersion or solution dispersed or dissolved in a binder or a solvent is granulated and then dried to obtain a granulated product such as granules or fine granules.
• the wet granulation method can be carried out according to a known method in the pharmaceutical field, and as the granulation mechanism, for example, known methods such as extrusion, flow, rolling, centrifugation, stirring and spraying can be used.
• the sustained-release part is preferably a tablet, granule or fine particle having a pH-independent diffusion control coating.
• the term “diffusion control coating” generally refers to a coating in which the membrane itself is not dissolved, but the release of the active ingredient is controlled by diffusion through the membrane itself or through pores formed in the membrane. Means.
• the pH-independent diffusion control coating is a diffusion control coating that is composed of the pH-independent substrate and can stably control the release of acid-labile compounds without depending on pH. It is not limited.
• Examples of such a pH-independent diffusion control coating include, for example, the above-mentioned hydrophilic polymers such as ethyl acrylate, methyl methacrylate, methacrylate trimethylammoethyl copolymer, methyl methacrylate / ethyl acrylate.
• a film containing one or a mixture of two or more selected from the group power of ethylcellulose as a copolymer and a hydrophobic polymer is preferred.
• a basic substance may be added to the sustained-release part as necessary in order to stabilize the acid labile compound in the preparation.
• the basic substance include the same basic substances as described in (2-2) above, preferably magnesium carbonate.
• the basic substance contained in the sustained-release part may be the same as or different from the basic substance contained in the immediate-release part.
• Examples of such a sustained release part include a form including a pH-independent diffusion control coating on the surface of a core particle containing an acid labile compound and, if necessary, a basic substance. Can be mentioned.
• core particles examples include inert carriers [for example, non-barrel (non-parreru 10 1 (particle size 850-710, 710-500, 500-355), non-barrel 103 (particle size 850-710, 710-500 , 500—355), Non-Norrel—105 (particle size 300—180), Freyne Industrial Co., Ltd., Selfia (CP—507 (particle size 500—710), CP—305 (particle size 300—500), CP -203 (particle size 150-300), CP-102 (particle size 106-212), SCP-100 (particle size 75-212), manufactured by Asahi Kasei Corporation), etc.] Tablets, granules or granules coated with a coating solution containing labile compounds and, if necessary, basic substances; tablets prepared using these granules or granules; or for active ingredients and normal formulation Examples thereof include particles obtained by granulating with the excipient used
• the core particle can be produced, for example, by the method described in JP-A-63-301816.
• the core particles are obtained by coating the above coating solution on the core of an inert carrier, a rolling fluidized bed coating device (SPIR-A-FLOW, manufactured by Freund Sangyo Co., Ltd.), centrifugal rolling By using wet granulation using a granulator (CF-mini, CF-360, Freund Sangyo Co., Ltd.), a tumbling granulator (Bowrec MP-10), etc., acid-labile compounds and if necessary In this way, core particles containing basic substances can be prepared.
• SPIR-A-FLOW rolling fluidized bed coating device
• CF-mini granulator
• CF-360 CF-360
• Freund Sangyo Co., Ltd. a tumbling granulator
• Borec MP-10 tumbling granulator
• coating may be performed by spraying the coating solution while spraying a solution containing a binder or the like onto the core of the inert carrier.
• the production apparatus is not limited, but it is preferable to use a centrifugal rolling granulator or the like.
• a combination of the two types of equipment described above can be used to coat acid-labile compounds and, if necessary, basic substances in two steps.
• the core particles may be prepared by dry granulation using a roller compactor or the like.
• an inert carrier nucleus when an inert carrier nucleus is not used, an acid labile compound and, if necessary, a basic substance and an enhancer such as lactose, sucrose, mannitol, corn starch, or crystalline cellulose are added to hydroxypropyl.
• binders such as methylcellulose, hydroxypropylcellulose, methylcellulose, polyvinyl alcohol, macrogol, pull mouth nick F68, arabic gum, gelatin, starch, carboxymethylcellulose sodium, carboxymethylcellulose calcium, cross carboxymethylcellulose sodium (Ac -D to Sol, manufactured by FMC International), disintegrating agents such as polybulurpyrrolidone, low-substituted hydroxypropylcellulose, etc., and stirring granulator, wet extrusion granulator, fluidized bed granulator, etc. Anxiety about acid by granulating Core particles containing certain compounds can be obtained.
• the obtained core particle is a particle having a desired particle size by sieving as necessary. Can be obtained.
• the particle size is not particularly limited, but is usually about m to about 5 mm, preferably about 100 ⁇ m to about 3 mm, more preferably about 100 ⁇ m to about 2 mm.
• a coating solution containing a pH-independent substrate is coated on the surface of the core particle by a known method in the preparation field, and the pH of the core particle containing the acid labile compound is not increased.
• a sustained release part comprising a dependent diffusion control coating is obtained.
• the term "having" the above-mentioned film includes not only a film-shaped film but also a film having a larger thickness, and further includes an acid-labile compound and a basic substance. Not only when it has a coating that covers the entire surface of the grain, but also when it has a coating that covers a part of the surface of the core particle (for example, there are parts that are not partially covered, As well as a coating covering most of the surface (80% or more).
• an intermediate layer may be provided between the core particles containing an acid labile compound and the pH-independent diffusion control coating as necessary.
• the material for the intermediate layer examples include low-substituted hydroxypropylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose (such as TC-5), polyvinylpyrrolidone, polyvinyl alcohol, methylcellulose, and hydroxyethylmethylcellulose.
• Sucrose refined white sugar (crushed (powdered sugar) or non-crushed)
• starch starch such as corn starch, lactose, honey and sugar alcohol (D-mann-tol, erythritol, etc.)
• the intermediate layer may contain excipients (eg, masking agents (such as titanium oxide) and antistatic agents (such as titanium oxide and talc)) as appropriate.
• the coating amount of the intermediate layer is usually about 0.02 parts by weight to about 1.5 parts by weight, preferably about 0.05 to about 1 parts by weight with respect to 1 part by weight of the core particles.
• the intermediate layer can be coated by a conventional method. For example, it is preferable to coat these intermediate layer components by diluting them with purified water and spraying them as a liquid. At this time, it is more preferable to coat while spraying a binder such as hydroxypropylcellulose.
• the intermediate layer may be formed of not only one layer but also a plurality of layers.
• additives that may be included in the immediate-release part and Z or sustained-release part as necessary include, for example, excipients (eg, glucose, fructose, lactose, sucrose, D— Mann-Tonole, Erythritole, Manoletotonole, Treno-Rose, Sonorbitonore, Maize Starch, Potato Starch, Wheat Starch, Rice Starch, Microcrystalline Cellulose, Anhydrous Key Acid, Anhydrous Calcium Phosphate, Precipitated Calcium Carbonate, Key Acid Calcium, amorphous colloidal diacids (eg, aerosil, etc.); binders (eg, polyvinylpyrrolidone, polybulal alcohol, partially pregelatinized starch, a modified starch, sodium alginate, pullulan, gum arabic powder Disintegrants (eg low-substituted hydroxy) Propyl cellulose, carmellose, carmellose calcium, carboxymethyl
• the particle size of these additives is not particularly limited, but particles of 500 m or less are preferred from the viewpoint of manufacturability and dosage.
• the solid preparation of the present invention can be obtained by combining the antacid, the quick-release part and the sustained-release part.
• the solid preparation of the present invention can be produced by any method known in the pharmaceutical field. Further, the combination of the antacid, the quick release part and the sustained release part is arbitrary, for example, The following combinations are listed.
• sustained-release part is a tablet
• a mixture of an antacid and a quick-release part granulated powder (granules or fine granules) is filled into a mortar, and the tablet of the sustained-release part is placed on it, followed by
• the mixture of the antacid and the immediate-release part granulated powder (granule or fine granule) is filled from above, and these are combined and compressed by a method known in the pharmaceutical field, so that the sustained-release part is used as the inner core matrix.
• a solid preparation (tablet) of the present invention containing an antacid and an immediate release part as an outer layer can be obtained.
• the sustained-release part is a tablet
• fill the mortar with an antacid and a quick-release part granulated powder (granules or fine granules) place the tablet in the sustained-release part on it, and combine them to prepare
• the solid preparation (tablet) of the present invention having the form of a double-layer tablet comprising a layer containing an antacid and a sustained-release part and an immediate-release part layer
• the tablet is not limited to a bilayer tablet, and may be a multilayer tablet by adding a layer containing an antacid and a sustained release part and a rapid release part layer as necessary. Multi-layer tablets can be compressed in the same manner as double-layer tablets.
• sustained-release part is a granule or fine granule
• antacids sustained-release part granulated powder (granule or fine granule) and immediate-release part granulated powder (granule or fine granule) are known in the pharmaceutical field.
• the solid preparation (granule or fine granule) of the present invention in which the antacid, the rapid release part and the sustained release part are uniformly dispersed.
• the total amount of the acid labile compound in the solid preparation of the present invention varies depending on the type and dosage of the acid labile compound, but is generally 1% of the total amount of the solid preparation of the present invention. 0 wt% to 60 wt%, preferably 10 wt% to 40 wt%.
• the weight ratio of the content of the acid labile compound in the immediate-release part and the sustained-release part is preferably 10: 1 to 1:10, more preferably 5: 1 to 1: 5 And most preferably 2: 1 to 1: 5.
• the solid preparation of the present invention contains a PPI such as the compound represented by the formula (I) as an acid labile compound, these compounds have an excellent antiulcer action, gastric acid secretion inhibitory action, and mucosal protective action. Has anti-helicopacter 'pylori action, etc., and has low toxicity. Therefore, such a solid preparation of the present invention is useful as a medicine.
• the solid preparation of the present invention is a peptic ulcer (eg, gastric ulcer, duodenal ulcer, anastomosis) in a mammal (eg, human, monkey, hidge, horse, inu, cat, rabbit, rat, mouse, etc.). Ulcer, zollinger
• penicillin antibiotics for example, amoxicillin
• erythromycin antibiotics for example, clarithromycin
• the solid preparation of the present invention is suitably applied to a therapeutic or prophylactic agent for GERD (Symptomatic GERD, reflux esophagitis, etc.).
• GERD Symptomatic GERD, reflux esophagitis, etc.
• the solid preparation of the present invention can be orally administered as it is. It can also be administered in a liquid or semi-solid state after being dispersed or dissolved in advance with water, juice, or Jodalt.
• the daily dosage of the solid preparation of the present invention varies depending on the degree of symptoms, age, sex, body weight, timing of administration, interval of administration, type of active ingredient, etc., and is not particularly limited.
• the active ingredient when administered orally to an adult (60 kg) as a therapeutic agent for reflux esophagitis (GERD), the active ingredient is about 10 to 200 mgZ days, preferably about 30 to 120 mgZ days.
• the solid preparation of the present invention may be administered once a day or divided into 2 to 3 times a day.
• the solid preparation of the present invention obtained as described above rises to an average gastric pH of about 0.5 hours or more after administration to a mammal and has a retention time of 14 days or more for a daily pH of 14 or more. It is preferable that it is more than time.
• the absorption of the gastrointestinal force of an acid labile compound in the solid preparation of the present invention is the rapid release of an acid labile compound in the immediate release part and the slow release of the acid labile compound in the sustained release part. It is regulated by two types of systems using release (extended retention in the digestive tract).
• release extended retention in the digestive tract.
• the solid preparation of the present invention can achieve both a rapid and powerful pharmacological effect after administration and a pharmacological effect that lasts for a long time.
• the solid preparation of the present invention contains a basic substance in the immediate-release part and, if desired, the sustained-release part, it is excellent in stability during preparation and storage of the preparation.
• the solid preparation of the present invention is useful as various preparations for oral administration.
• Lansoprazole (hereinafter also referred to as Compound A; 6. Og), hydroxypropylmethyl cellulose (trade name: Metroles 90SH-100SR, manufactured by Shin-Etsu Chemical Co., Ltd.) (6. 67 g), D-Mantol (5. 07g), crystalline cellulose (trade name: Theolas PH-101, Asahi Kasei Chemical (4,59 g), magnesium stearate (0.23 g) and aerosil (1.lg) were mixed in a mortar. 170 mg of the obtained mixture was tableted (tablet pressure: ltonZcm 2 ) using a hydraulic pump press (manufactured by Riken Seiki) to obtain an inner core matrix tablet having a diameter of 7 mm. This was used as a sustained release part of the solid preparation of the present invention.
• Magnesium hydroxide (96.67g), magnesium oxide (133.33g), D-mann-toll (121.87g) and crospovidone (10.68g) were charged into a fluid bed granulator, An aqueous solution of 13.42 g) dissolved in purified water (223.67 g) was sprayed and granulated, and dried to obtain an antacid-containing granulated powder (370 g).
• Compound A (6. Og): HPMC (trade name: Metroles 90SH-400SR, manufactured by Shin-Etsu Chemical Co., Ltd.) (6. 67 g), D-mann-toll (5.07 g), crystalline cellulose (trade name: Cerath PH-101 (manufactured by Asahi Kasei Chemicals Corporation) (4.59 g), magnesium stearate (0.23 g) and aerosil (1. lg) were mixed in a mortar. Of the obtained mixture, 170 mg was tableted (tablet pressure: 1 ton / cm 2 ) using a hydraulic pump press (manufactured by Riken Seiki) to obtain an inner core matrix tablet having a diameter of 7 mm. This was used as a sustained release part of the solid preparation of the present invention.
• HPMC trade name: Metroles 90SH-400SR, manufactured by Shin-Etsu Chemical Co., Ltd.
• D-mann-toll 5.07 g
• crystalline cellulose trade name: Cera
• Compound A (6. Og): HPMC (trade name: Metroles 90SH-4000SR, manufactured by Shin-Etsu Chemical Co., Ltd.) (6. 67 g), D-mann-toll (5.07 g), crystalline cellulose (trade name: Theolas P H-101, manufactured by Asahi Kasei Chemicals Corporation (4.59 g), magnesium stearate (0.23 g) and aerosil (1. lg) were mixed in a mortar. 170 mg of the obtained mixture was tableted using a hydraulic pump press (manufactured by Riken Seiki, tableting pressure: ltonZcm 2 ) to obtain a core matrix tablet having a diameter of 7 mm. This was used as a sustained release part of the solid preparation of the present invention.
• HPMC trade name: Metroles 90SH-4000SR, manufactured by Shin-Etsu Chemical Co., Ltd.
• D-mann-toll 5.07 g
• crystalline cellulose trade name: Theolas P H-101,
• Preparation of core particles serving as the core of the sustained release part was performed as follows. Purified water (640 g) with hydroxy Methyl pill cellulose (HPC—SL, 50 g) is added and dissolved, and low-substituted hydroxypropyl cellulose (L—HPC—32 W, 25 g) and magnesium carbonate (50 g) are added to this solution and dispersed. did. Compound A (150 g) was uniformly dispersed in the obtained dispersion to obtain a coating liquid.
• HPC—SL hydroxy Methyl pill cellulose
• L—HPC—32 W low-substituted hydroxypropyl cellulose
• magnesium carbonate 50 g
• Lactose ⁇ Crystalline cellulose grains (Nonparenole 1 0 5) 3 O mg
• Preparation of the sustained-release part fine granules was performed as follows. After adding polysorbate 80 (0.45 g) and triethyl citrate (4.5 g) to purified water (109.4 g) and dissolving, add glyceryl monostearate (1.13 g) to 70 ° Disperse while heating at C. The dispersion was allowed to cool to room temperature and then mixed with Eudragit RL30D (75 g) to obtain a coating solution. The coating liquid (127 g) was coated on the core particles (lOOg) obtained in Preparation Example 9 using a rolling fluidized bed coating apparatus (S PIR-A-FLOW, manufactured by Freund Corporation).
• S PIR-A-FLOW rolling fluidized bed coating apparatus
• Coating conditions are: inlet temperature is about 35 ° C, spray pressure is about lkgfZcm 2 , exhaust air scale is 100, BED pressure is about 250mmHg, rotor speed is about 300rpm, spray injection speed is about 2.7gZ, spray The position was the lower side. Obtained after coating operation The fine granules were vacuum-dried at 40 ° C for 24 hours and sieved with a round sieve to obtain sustained-release fine granules having a particle size of 125 ⁇ m to 500 ⁇ m.
• Preparation of the sustained-release part fine granules was performed as follows. Talc (22.5 g) was added and dispersed in purified water (127.5 g), and the obtained dispersion was mixed with Eudragit NE30D (75 g) to obtain a coating solution. This coating liquid (50 g) was coated on the core particles (lOOg) obtained in Preparation Example 9 using a rolling fluidized bed coating apparatus (SPIR-A-FLOW, manufactured by Freund Sangyo Co., Ltd.).
• SPIR-A-FLOW rolling fluidized bed coating apparatus manufactured by Freund Sangyo Co., Ltd.
• Coating conditions are: inlet temperature about 30 ° C, spray pressure about lkgf / cm 2 , exhaust air scale 100, BED pressure about 250mmHg, rotor speed about 300rpm, spray injection speed about 2.3gZ, spray position was the lower side.
• the obtained fine granules were vacuum-dried at 40 ° C. for 24 hours and passed through a round sieve to obtain sustained-release fine granules having a particle size of 125 ⁇ m to 500 ⁇ m.
• Preparation of core particles Preparation of core particles serving as the core of the sustained release part was performed as follows. Hydroxypropyl methylcellulose (TC—5EW, 50 g) is added to purified water (640 g) and dissolved, and this solution is mixed with low-substituted hydroxypropylcellulose (L—HPC—32 W, 25 g) and magnesium carbonate (50 g). g) was added and dispersed. Compound A (150 g) was uniformly dispersed in the obtained dispersion to obtain a coating solution.
• TC—5EW hydroxypropyl methylcellulose
• L—HPC—32 W low-substituted hydroxypropylcellulose
• magnesium carbonate 50 g
• This compound A-containing coating solution (793 g) was coated on lactose 'crystal cellulose granules (non-barrel 105T, 130 g) using a rolling fluidized bed coating device (SPIR-A-FLO W, manufactured by Freund Corporation). . Coating conditions are inlet temperature of about 40 ° C, spray pressure of about lkgfZcm 2 , exhaust air scale 100, BED pressure of about 250mmHg, rotor rotation speed of about 300rpm, spray injection speed of about 6gZ, spray position Lower side. After the coating operation was completed, the obtained fine particles were vacuum-dried at 40 ° C. for 16 hours and sieved with a round sieve to obtain core particles having a particle size of 125 ⁇ m to 500 ⁇ m.
• SPIR-A-FLO W rolling fluidized bed coating device
• Preparation of the sustained-release part fine granules was performed as follows. After adding polysorbate 80 (0.45 g) and triethyl citrate (4.5 g) to purified water (109.4 g) and dissolving, add glyceryl monostearate (1.13 g) to 70 ° Disperse while heating at C. The dispersion was allowed to cool to room temperature and then mixed with Eudragit RS30D (75 g) to obtain a coating solution. This coating solution (127 g) was coated on the core particles (100 g) obtained in Preparation Example 12 using a rolling fluidized bed coating apparatus (SP IR-A-FLOW, manufactured by Freund Corporation).
• SP IR-A-FLOW rolling fluidized bed coating apparatus
• Coating conditions are: inlet temperature is about 35 ° C, spray pressure is about lkgfZcm 2 , exhaust air scale 10 0, BED pressure was about 250mmHg, rotor speed was about 300rpm, spray injection speed was about 2.7gZ, and the spray position was on the lower side.
• the obtained fine particles were vacuum-dried at 40 ° C. for 24 hours, and passed through a round sieve to obtain sustained-release portion fine particles having a particle size of 125 ⁇ m to 500 ⁇ m.
• Polysonole 80 80 0.26mg
• Preparation of core particles serving as the core of the sustained release part was performed as follows. Hydroxypropyl methylcellulose (TC—5EW, 36 g) is added to purified water (460.8 g) and dissolved, and this solution is mixed with low-substituted hydroxypropylcellulose (L—HPC—32 W, 18 g) and magnesium carbonate ( 36 g) was added and dispersed. Compound A (108 g) was uniformly dispersed in the obtained dispersion to obtain a coating solution.
• This compound A-containing coating solution (549 g) was coated on crystalline cellulose particles (Selfia SCP-100, 165 g) using a rolling fluidized bed coating apparatus (SPIR-A-FLOW, manufactured by Freund Sangyo Co., Ltd.). Coating conditions are: inlet temperature is about 45 ° C, spray pressure is about lkgfZcm 2 , exhaust air scale is 40, BED pressure is about 120mmHg, rotor speed is about 150rpm, spray injection speed is about 5gZ, spray position is lower Lateral. After the coating operation was completed, the obtained fine particles were vacuum-dried at 40 ° C. for 16 hours and sieved with a round sieve to obtain core particles having a particle size of 125 ⁇ m to 500 ⁇ m.
• SPIR-A-FLOW rolling fluidized bed coating apparatus
• Crystalline cellulose grains (Selfia SCP— 1 65 mg
• Preparation of the sustained-release part fine granules was performed as follows. Triethyl (44.5 g) citrate was added and dissolved in purified water (105 g), and then talc (11.3 g) was added and dispersed. The dispersion was mixed with Eudragit RL30D (15 g) and Eudragit RS30D (60 g) to obtain a coating solution. This coating solution (131 g) was applied to the core particles (lOOg) obtained in Preparation Example 14 using a rolling fluidized bed coating device (SPIR-A-FLOW, manufactured by Freund Corporation). Tinged.
• SPIR-A-FLOW rolling fluidized bed coating device
• Coating conditions are: inlet temperature is about 35 ° C, spray pressure is about lkgfZc m 2 , exhaust air scale is 40, BED pressure is about 120mmHg, rotor speed is about 150rpm, spray injection speed is about 2.9gZ, spray position Was the lower side.
• the obtained fine granules were vacuum-dried at 40 ° C. for 24 hours, and sieved with a round sieve to obtain sustained-release fine granules having a particle size of 125 ⁇ m to 500 ⁇ m.
• Preparation of sustained release fine granules was performed as follows. To purified water (105 g), triethyl citrate (4.5 g) was added and dissolved, and then talc (11.3 g) was added and dispersed. The dispersion was mixed with Eudragit RS30D (75 g) to obtain a coating solution. This coating solution (87 g) was coated on the core particles (lOOg) obtained in Preparation Example 14 using a rolling fluidized bed coating apparatus (SPIR-A-FLOW, manufactured by Freund Corporation). Coating conditions are about 35 inlet temperatures.
• SPIR-A-FLOW rolling fluidized bed coating apparatus
• spray pressure is about lkgfZcm 2
• exhaust air scale is 40
• BED pressure is about 120mmHg
• rotor speed is about 150rpm
• spray injection speed is about 2.7g / min
• spray position is on the lower side.
• the immediate-release part granulated powder obtained in Preparation Example 2 (51. 95 g), the antacid-containing granulated powder obtained in Preparation Example 3 (37.60 g), crystalline cellulose (trade name: CELAS KG-801, Asahi Kasei Chemicals Corporation (10.96 g), crospovidone (3.93 g) and magnesium stearate (1.61 g) were mixed in a mortar to obtain a mixed powder.
• This mixed powder was weighed (530 mg), filled into a 14 mm ⁇ rounded flat die and lightly compressed.
• the inner core matrix tablet prepared in Preparation Example 1 was placed in the center position, and lightly held with tweezers so that about half of the inner core matrix was filled.
• the immediate-release part granulated powder obtained in Preparation Example 2 (51. 95 g), the antacid-containing granulated powder obtained in Preparation Example 3 (37.60 g), crystalline cellulose (trade name: CELAS KG-801, Asahi Kasei Chemicals Corporation (10.96 g), crospovidone (3.93 g) and magnesium stearate (1.61 g) were mixed in a mortar to obtain a mixed powder.
• This mixed powder was weighed (530 mg), filled into a 14 mm ⁇ rounded flat die and lightly compressed.
• the inner core matrix tablet prepared in Preparation Example 4 was placed at the center position, and lightly held with tweezers so that about half of the inner core matrix was filled.
• the immediate-release part granulated powder obtained in Preparation Example 2 (51. 95 g), the antacid-containing granulated powder obtained in Preparation Example 3 (37.60 g), crystalline cellulose (trade name: CELAS KG-801, Asahi Kasei Chemicals Corporation (10.96 g), crospovidone (3.93 g) and magnesium stearate (1.61 g) were mixed in a mortar to obtain a mixed powder.
• This mixed powder was weighed (530 mg), filled into a 14 mm ⁇ rounded flat die and lightly compressed.
• the inner core matrix tablet prepared in Preparation Example 5 was placed at the center position, and lightly held with tweezers so that about half of the inner core matrix was filled.
• the immediate-release part granulated powder obtained in Preparation Example 2 (51. 95 g), the antacid-containing granulated powder obtained in Preparation Example 3 (37.60 g), crystalline cellulose (trade name: CELAS KG-801, Asahi Kasei Chemicals Corporation (10.96 g), crospovidone (3.93 g) and magnesium stearate (1.61 g) were mixed in a mortar to obtain a mixed powder. Weigh this mixed powder (530mg), 14mm ⁇ corner round plane The mortar was filled and lightly compressed. The inner core matrix tablet prepared in Preparation Example 6 was placed at the center position, and lightly held with tweezers so that about half of the inner core matrix was filled.
• the immediate-release part granulated powder obtained in Preparation Example 2 (51. 95 g), the antacid-containing granulated powder obtained in Preparation Example 3 (37.60 g), crystalline cellulose (trade name: CELAS KG-801, Asahi Kasei Chemicals Corporation (10.96 g), crospovidone (3.93 g) and magnesium stearate (1.61 g) were mixed in a mortar to obtain a mixed powder.
• This mixed powder was weighed (530 mg), filled into a 14 mm ⁇ rounded flat die and lightly compressed.
• the inner core matrix tablet prepared in Preparation Example 7 was placed at the center position, and lightly held with tweezers so that about half of the inner core matrix was filled.
• the immediate-release part granulated powder obtained in Preparation Example 2 (51. 95 g), the antacid-containing granulated powder obtained in Preparation Example 3 (37.60 g), crystalline cellulose (trade name: CELAS KG-801, Asahi Kasei Chemicals Corporation (10.96 g), crospovidone (3.93 g) and magnesium stearate (1.61 g) were mixed in a mortar to obtain a mixed powder.
• This mixed powder was weighed (530 mg), filled into a 14 mm ⁇ rounded flat die and lightly compressed.
• the inner core matrix tablet prepared in Preparation Example 8 was placed at the center position, and lightly held with tweezers so that about half of the inner core matrix was filled.
• Immediate release part granulated powder obtained in Preparation Example 2 (51. 95g), antacid-containing granulated powder obtained in Preparation Example 3 above (37.60g), crystalline cellulose (trade name: CELAS KG-801, Asahi Kasei Chemicals) (10.96 g), crospovidone (3.93 g) and magnesium stearate (1.61 g) were mixed in a mortar to obtain a mixed powder.
• This mixed powder (10.6 g) and the sustained release fine particles (2.06 g) prepared in Preparation Example 15 were mixed lightly in a mortar to obtain a mixed powder.
• the obtained mixed powder (1266 mg) was filled into a mortar with a diameter of 14 mm and a round corner plane, and Autograph (trade name, manufactured by Shimadzu Corporation, tableting pressure: lton / cm 2 ) was used to compound A ( A solid formulation (tablet) (1266 mg) of the present invention containing 60 mg) was prepared. No darkening was observed in the obtained tablets.
• Immediate release part granulated powder obtained in Preparation Example 2 (51. 95g), antacid-containing granulated powder obtained in Preparation Example 3 above (37.60g), crystalline cellulose (trade name: CELAS KG-801, Asahi Kasei Chemicals) (10.96 g), crospovidone (3.93 g) and magnesium stearate (1.61 g) were mixed in a mortar to obtain a mixed powder.
• This mixed powder (10.6 g) and the sustained-release fine granules (1.93 g) prepared in Preparation Example 16 were lightly mixed in a mortar to obtain a mixed powder.
• the obtained mixed powder (1253 mg) was filled in a mortar having a diameter of 14 mm and a round corner plane, and Autograph (trade name, manufactured by Shimadzu Corporation, tableting pressure: lton / cm 2 ) was used to compound A ( A solid formulation (tablet) (1253 mg) of the present invention containing 60 mg) was prepared. No darkening was observed in the obtained tablets.
• the pharmacological effect of the active ingredient is expressed stably and quickly after administration when the active ingredient (acid labile compound) is highly stable, and the pharmacological effect is maintained over a long period of time. It is possible to provide a solid preparation that lasts for a long time. Therefore, the solid preparation of the present invention is useful as various preparations for oral administration.
• the solid preparation of the present invention can be used for peptic ulcer (eg, gastric ulcer, duodenal ulcer, anastomotic ulcer, Zollinger-Ellison syndrome, etc.) , Gastritis, GERD (Gastr oesophageal Reflux Diseases), NUD (Non Ulcer Dyspepsia), gastric cancer (interactive esophagitis, symptomatic GERD) Treatment and prevention of gastric cancer associated with the production of interleukin 1 e by the polymorphism of one leukin 1), gastric MALT lymphoma, etc., Helicopacter pylori eradication or sterilization assistance, peptic ulcer, acute Upper gastrointestinal hemorrhage due to stress ulcer and hemorrhagic stomach, invasive stress (severe cerebrovascular disease, head trauma, multiple organ failure, extensive burns that require intensive management and intensive care after surgery) It can be useful for the prevention and treatment of ulcer
• peptic ulcer eg, gastric ulcer

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• 2006
  • 2006-12-28 KR KR1020087018213A patent/KR20080081071A/ko not_active Application Discontinuation
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  • 2006-12-28 CA CA002634969A patent/CA2634969A1/en not_active Abandoned
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